Kalnins, E.G., Miller, W., Jr. & Williams, G.C. (1989). Killing–Yano tensors and variable separation in Kerr geometry. Journal of Mathematical Physics, 30, 2360.
Permanent Research Commons link: https://hdl.handle.net/10289/1216
A complete analysis of the free-field massless spin-s equations (s=0, (1)/(2) ,1) in Kerr geometry is given. It is shown that in each case the separation constants occurring in the solutions obtained from a potential function can be characterized in an invariant way. This invariant characterization is given in terms of the Killing–Yano tensor admitted by Kerr geometry.
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